CN215552689U

CN215552689U - Manual backrest adjusting structure of seat

Info

Publication number: CN215552689U
Application number: CN202120553908.0U
Authority: CN
Inventors: 黄东生; 陈宇; 张立凡
Original assignee: Guangzhou Gac Ullitec Auto Interiors R&d Co ltd
Current assignee: Guangzhou Gac Ullitec Auto Interiors R&d Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2022-01-18
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses a manual backrest adjusting structure of a seat, which comprises a limiting mechanism, a seat A and a seat B, wherein the seat B can rotate relative to the seat A, the joint of the seat A and the seat B is a subsection of the backrest, the seat A and the seat B are connected through a manual angle adjuster for an automobile seat, the manual angle adjuster is unlocked through a rotating shaft, so that the seat A and the seat B can rotate relative to each other, the angle adjustment of the seat A or the seat B is realized, the limiting mechanism is used for limiting the adjusting angle of the seat A or the seat B, the middle section angle adjustment of the backrest of the seat can be realized, a rider can adjust to a proper angle according to the back contour of the rider, the requirements of different body types and sitting posture habits are met, and the riding comfort and the wrapping feeling of the backrest support are improved.

Description

Manual backrest adjusting structure of seat

Technical Field

The utility model relates to the technical field of seats, in particular to a manual backrest adjusting structure of a seat.

Background

At present, automobiles are generally applied to lives of people, consumers have higher and higher requirements on the functions of the automobiles, and higher requirements are put forward on the functional design and the modeling design of automobile seats. As an important component of an automotive interior part, an automotive seat not only meets the basic function of the automotive interior part, but also needs to meet different use requirements, for example, a certain angle adjustment needs to be performed on the middle section of a seat back.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a manual backrest adjusting structure of a seat, which can realize the adjustment of the angle of the middle section of the backrest of the seat, so that a rider can adjust the angle to a proper angle according to the back contour of the rider, the requirements of different body types and sitting posture habits are met, and the riding comfort and the wrapping feeling of the backrest support are improved.

The purpose of the utility model is realized by adopting the following technical scheme:

a manual backrest adjusting structure of a seat comprises a limiting mechanism, a seat A and a seat B which can rotate relative to the seat A, wherein the joint of the seat A and the seat B is a subsection section of the backrest, the seat A and the seat B are connected through a manual angle adjuster for an automobile seat, and the manual angle adjuster is unlocked by virtue of a rotating shaft, so that the seat A and the seat B can rotate relative to each other, and the angle adjustment of the seat A or the seat B is realized; the limiting mechanism is used for limiting the adjusting angle of the seat A or the seat B.

Further, stop gear includes locating part and adjustment tank, the locating part is located on the A seat, the adjustment tank is located on the B seat, the locating part with the adjustment tank cooperation is used, in order to right A seat or B seat carry out spacingly in angle regulation's in-process.

Furthermore, the limiting mechanism further comprises an elastic device, the elastic device is arranged on the seat B and is abutted against the limiting piece, so that the seat A or the seat B can be subjected to angle adjustment along the rotation direction of the rotation shaft under the elastic acting force of the elastic device in the unlocking state of the manual angle adjuster.

Further, the limiting part is a limiting blocking piece, the first end of the limiting blocking piece is fixed on the seat A, and the second end of the limiting blocking piece can be inserted into the adjusting groove, so that the limiting blocking piece can move in the adjusting groove.

Furthermore, the limiting stop piece is also provided with a convex part extending towards the direction of the elastic device so as to be abutted against the elastic device.

Further, the elastic device is a coil spring, the coil spring is fixed on the seat B, and the free end of the coil spring is bent to abut against the protruding part.

Further, a fixing frame is fixedly arranged on the seat B, and the coil spring is arranged on the fixing frame.

Furthermore, one end of the rotating shaft is connected with a cable device, and the rotating shaft is driven to rotate through the cable device so as to unlock the manual angle adjuster.

Furthermore, the inhaul cable device comprises a linkage piece, the linkage piece is connected with the rotating shaft, and the linkage piece is driven to drive the rotating shaft to rotate.

Furthermore, the stay cable device also comprises a stay cable, the stay cable is connected with the linkage piece, and the stay cable is pulled to drive the rotation of the rotation shaft.

Compared with the prior art, the utility model has the beneficial effects that:

the seat B is fixed, the manual angle adjuster is unlocked through the rotating shaft, so that the seat A can rotate relative to the seat B, and the connecting part of the seat A and the seat B is the subsection of the backrest, and the adjusting angle of the seat A is limited through the limiting mechanism, so that the adjusting angle of the middle section of the backrest of the seat is realized, a rider can adjust to a proper angle according to the back contour of the rider, the requirements of different body types and sitting posture habits are met, and the riding comfort and the covering feeling of the backrest support are improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of another angular configuration of the present invention;

FIG. 4 is an exploded view of the present invention;

FIG. 5 is a schematic view of another exploded view of the present invention.

In the figure: 1. a backrest upper body; 10. a limiting baffle plate; 100. a projection; 2. a lower body of the backrest; 20. an adjustment groove; 3. a rotating shaft; 30. a manual recliner; 4. a fixed mount; 40. a coil spring; 5. a linkage piece; 50. pulling a rope; 51. a fixing member; 52. and fixing the bracket.

Detailed Description

The present invention will be described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the following description, various embodiments or technical features may be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The implementation mode is as follows:

as shown in fig. 1-5, the present invention shows a manual backrest adjusting structure for a seat, which comprises a seat a and a seat B that can rotate relative to the seat a, wherein the joint of the seat a and the seat B is a segment of the backrest, the seat a and the seat B are connected by a manual recliner 30 for the automobile seat, and the manual recliner 30 is unlocked by a rotating shaft 3, so that the seat a and the seat B can rotate relative to each other. That is, it can be understood that the contact surface of the manual recliner 30 with the a seat and the contact surface of the manual recliner 30 with the B seat are relatively rotatable when the manual recliner 30 is unlocked. On the basis of the structure, the utility model also comprises a limiting mechanism which is used for limiting the adjusting angle of the seat A or the seat B. It should be noted here that how the manual recliner 30 for the automobile seat and the manual recliner 30 for the automobile seat are unlocked through the rotating shaft 3 are common prior art in the automobile industry, and the operation principle of the manual recliner 30 will not be described in detail here.

As an application scenario, the seat a in this embodiment is the body 1 on the backrest of the car seat, the seat B is the body 2 under the backrest of the car seat, the body 2 is immovable on the bottom plate fixed to the automotive trim under the backrest, through unlocking the manual angle adjuster 30, make the body 1 rotate for the body 2 under the backrest on the backrest, then limit the angle of adjustment of the seat a or the seat B through the stop gear, thereby realize the middle section angle adjustment of the body 1 on the backrest, make the rider adjust to a proper angle according to the back profile of oneself, satisfy the demands of different body types and sitting postures and habits, thereby improve the comfort of taking and the cladding of the backrest support.

In this embodiment, the limiting mechanism includes a limiting member and an adjusting groove, the limiting member is disposed on the a base, the adjusting groove is disposed on the B base, and the limiting member and the adjusting groove are used in cooperation to limit the a base or the B base in the process of adjusting the angle. Based on the above application scenario, that is, under the condition that the lower backrest body 2 is fixed, the upper backrest body 1 rotates to realize the angle adjustment, and the limiting member and the adjustment groove are used in cooperation, so that the seat a, that is, the upper backrest body 1, is limited.

In this embodiment, the limiting mechanism further includes an elastic device, the elastic device is disposed on the B seat, and the elastic device abuts against the limiting member, so that the a seat or the B seat performs angle adjustment along the rotation direction of the rotation shaft under the elastic force of the elastic device in the unlocking state of the manual angle adjuster. The adjustment groove 20 in this embodiment is an arc-shaped groove, and in the angle adjustment process, the limiting member moves in the arc-shaped groove, that is, the limiting member cooperates with the adjustment groove 20 and abuts against the elastic device, so that the a seat or the B seat can perform angle adjustment along the rotation direction of the rotation shaft 3 under the action of the elastic device in the unlocking state of the manual angle adjuster 30. Since the seat B, i.e., the lower back body 2, is stationary in this embodiment, it can be understood that the elastic means has a certain storage force before the manual recliner 30 is unlocked, when the manual angle adjuster 30 is unlocked, the limiting device moves in the adjusting groove 20, i.e. the arc-shaped groove, the seat A, i.e. the backrest upper body 1 rotates forwards under the elastic force of the elastic device for adjustment, when the limiting device moves to one end of the arc-shaped groove, the upper body 1 of the backrest cannot be rotated and adjusted forwards continuously (the front in the embodiment refers to the direction facing the rider), at this time, the inner spring of the manual angle adjuster 30 is reset to be locked, thereby realize the middle section angle modulation of body 1 on the back for the person of taking can adjust suitable angle according to the back profile of oneself, satisfy the demand of different sizes and position of sitting custom, thereby improve the travelling comfort of taking and the cladding of back support and feel. When it is necessary to return the back upper body 1 to the initial position, it is necessary to rotate the rotating shaft 3 in the present embodiment to unlock the manual recliner 30, and then manually push the back upper body 1 to return to the initial position.

In this embodiment, the limiting device is a limiting blocking piece 10, a first end of the limiting blocking piece 10 is fixed on the seat a, that is, the first end of the limiting blocking piece 10 is fixed on the backrest upper body 1, the limiting blocking piece 10 is fixed on the backrest upper body 1 in this embodiment by welding, and of course, the limiting blocking piece 10 may be fixed by other fixing methods, such as by screws, and is not limited herein; in the second end turn-ups of spacing separation blade 10 inserted adjustment tank 20, the angle that the trough length of adjustment tank 20 can be adjusted according to actual need set up for spacing separation blade 10 can remove in adjustment tank 20, also can understand, and the second end turn-ups of spacing separation blade 10 is through inserting the angle of adjustment of body 1 on the back in the arc wall of body 2 under the back to control body 1, so that body 1's angle of adjustment on the back.

In addition, the limiting block piece 10 is further provided with a protruding portion 100 extending towards the elastic device, so that the protruding portion 100 abuts against the elastic device, the elastic device in this embodiment is a coil spring 40, the coil spring 40 is fixed on the seat B, and the free end of the coil spring 40 bends to abut against the protruding portion 100. The bending part of the coil spring 40 is always abutted against the protrusion part 100, so that the coil spring 40 has certain storage force before the manual recliner 30 is unlocked, and after the upper body 1 of the backrest is adjusted to a proper position, the limiting baffle 10 is reset under the action of the coil spring 40. In order to facilitate the installation of the coil spring 40, a fixing frame 4 is fixedly arranged on the seat B, namely the lower backrest body 2, and the coil spring 40 is arranged on the fixing frame 4, so that the coil spring 40 is fixed on the seat B.

In this embodiment, one end of the rotating shaft 3 is connected with a cable device, and the rotating shaft 3 is driven to rotate by the cable device, so as to unlock the manual angle adjuster 30. Of course, the rotating shaft 3 may be driven to rotate by an external power device to unlock the manual recliner 30, which is not limited herein. Specifically, the inhaul cable device comprises a linkage piece 5, the linkage piece 5 is connected with the rotating shaft 3, the linkage piece 5 is driven to drive the rotating shaft 3 to rotate, namely, the rotating shaft 3 rotates by driving the linkage piece 5, so that the rotating shaft 3 is driven to rotate; furthermore, the inhaul cable device further comprises a pulling rope 50, the pulling rope 50 is connected with the linkage piece 5, the rotating shaft 3 is driven to rotate by pulling the pulling rope 50, namely the linkage piece 5 is driven by pulling the pulling rope 50, and the linkage piece 5 drives the rotating shaft 3 to rotate, so that the rotating shaft 3 is further driven to rotate conveniently; furthermore, the cable device further comprises a fixing piece 51, one end of the pull rope 50, which is far away from the linkage piece 5, penetrates through the fixing piece 51, and the fixing piece 51 is fixed on the seat a, namely the pull rope 50 is fixed through the fixing piece 51, so that the installation layout of the pull rope 50 is convenient, and the linkage piece 5 is convenient to pull; further, the cable device further comprises a fixing bracket 52 fixedly arranged on the seat a, and the fixing member 51 is fixed by the fixing bracket 52, that is, the fixing member 51 is fixed on the seat a, that is, the backrest upper body 1 by the fixing bracket 52, so that the fixing member 51 can be conveniently installed and fixed.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a structure is adjusted to manual back of seat which characterized in that: the automobile seat backrest comprises a limiting mechanism, a seat A and a seat B, wherein the seat B can rotate relative to the seat A, the joint of the seat A and the seat B is a subsection of a backrest, the seat A and the seat B are connected through a manual angle adjuster for an automobile seat, and the manual angle adjuster is unlocked through a rotating shaft so that the seat A and the seat B can rotate relative to each other; the limiting mechanism is used for limiting the adjusting angle of the seat A or the seat B.

2. A manual seat back adjustment structure as claimed in claim 1, wherein: the limiting mechanism comprises a limiting part and an adjusting groove, the limiting part is arranged on the seat A, the adjusting groove is arranged on the seat B, and the limiting part is matched with the adjusting groove to limit the seat A or the seat B in the angle adjusting process.

3. A manual seat back adjustment structure as claimed in claim 2, wherein: the limiting mechanism further comprises an elastic device, the elastic device is arranged on the seat B and is abutted against the limiting piece, so that the seat A or the seat B can be subjected to angle adjustment along the rotation direction of the rotating shaft under the elastic acting force of the elastic device in the unlocking state of the manual angle adjuster.

4. A manual seat back adjustment structure as claimed in claim 3, wherein: the limiting part is a limiting separation blade, the first end of the limiting separation blade is fixed on the seat A, and the second end of the limiting separation blade can be inserted into the adjusting groove, so that the limiting separation blade can move in the adjusting groove.

5. A manual seat back adjustment structure as claimed in claim 4, wherein: the limiting baffle is also provided with a convex part extending towards the direction of the elastic device so as to enable the limiting baffle to be abutted against the elastic device.

6. A manual seat back adjustment structure as claimed in claim 5, wherein: the elastic device is a coil spring which is fixed on the seat B, and the free end of the coil spring is bent to be abutted against the protruding part.

7. A manual seat back adjustment structure as claimed in claim 6, wherein: and a fixing frame is fixedly arranged on the seat B, and the coil spring is arranged on the fixing frame.

8. A manual seat back adjustment structure as claimed in claim 1, wherein: one end of the rotating shaft is connected with a cable device, and the rotating shaft is driven to rotate through the cable device so as to unlock the manual angle adjuster.

9. A manual seat back adjustment structure as claimed in claim 8, wherein: the inhaul cable device comprises a linkage piece, the linkage piece is connected with the rotating shaft, and the linkage piece is driven to drive the rotating shaft to rotate.

10. A manual seat back adjustment structure as claimed in claim 9, wherein: the cable device further comprises a pull rope, the pull rope is connected with the linkage piece, and the pull rope is pulled to drive the rotating shaft to rotate.